<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title>第二题:动态添加表格的行、删除行</title>
</head>
<body>
    <div id="p2">
        <h3>---------------------动态添加删除行--------------------</h3>
        <input type="button" onclick="" >
    </div>
</body>
</html>